<script setup>
import { reactive, watch } from 'vue'
import { RouterView, useRoute } from 'vue-router'
// import { RouterLink, RouterView, useRoute } from 'vue-router'
// import HelloWorld from './components/HelloWorld.vue'

const route = useRoute()
const keepAliveList = reactive([]) // 默认缓存-组件名字

watch(route, to => {
  if (to.meta.keepAlive && keepAliveList.indexOf(to.name) === -1) {
    // 判断是否需要缓存, router中的name和组件的名字必须一致
    keepAliveList.push(to.name)
  }
})
</script>

<template>
  <!-- <header>
    <img alt="Vue logo" class="logo" src="@/assets/logo.svg" width="125" height="125" />

    <div class="wrapper">
      <HelloWorld msg="You did it!" />

      <nav>
        <RouterLink to="/">Home</RouterLink>
        <RouterLink to="/about">About</RouterLink>
        <RouterLink to="/user">User(mockData)</RouterLink>
        <RouterLink to="/role">Role(mockData)</RouterLink>
        <RouterLink to="/tableDemo1">TableDemo1(mockData)</RouterLink>
      </nav>
    </div>
  </header> -->
  <div class="header">
    <span class="header-title">双招双引系统</span>
  </div>
  <RouterView v-slot="{ Component }">
    <keep-alive :include="keepAliveList">
      <component :is="Component" :key="$route.fullPath" />
    </keep-alive>
  </RouterView>
</template>

<style lang="scss" scoped>
.header {
  height: 64px;
  background: #3274e5;
}

.header-title {
  position: relative;
  top: 13px;
  margin-left: 32px;
  font-family: SourceHanSansCN-Medium;
  font-size: 24px;
  color: #ffffff;
  font-weight: 500;
}

/* header {
  line-height: 1.5;
  max-height: 100vh;
}

.logo {
  display: block;
  margin: 0 auto 2rem;
}

nav {
  width: 100%;
  font-size: 12px;
  text-align: center;
  margin-top: 2rem;
}

nav a.router-link-exact-active {
  color: var(--color-text);
}

nav a.router-link-exact-active:hover {
  background-color: transparent;
}

nav a {
  display: inline-block;
  padding: 0 1rem;
  border-left: 1px solid var(--color-border);
}

nav a:first-of-type {
  border: 0;
}

@media (min-width: 1024px) {
  header {
    display: flex;
    place-items: center;
    padding-right: calc(var(--section-gap) / 2);
  }

  .logo {
    margin: 0 2rem 0 0;
  }

  header .wrapper {
    display: flex;
    place-items: flex-start;
    flex-wrap: wrap;
  }

  nav {
    text-align: left;
    margin-left: -1rem;
    font-size: 1rem;

    padding: 1rem 0;
    margin-top: 1rem;
  }
} */
</style>
